Human: The World Within
The Immune System

An Introduction to the Brain and Neurons
The brain is mission control of the human body and the nervous system.
The brain is mission control of the human body and the nervous system.

How Pain is Processed in Our Nerves
Pain travels to our brain as neural impulses when something is wrong in our bodies.
Pain travels to our brain as neural impulses when something is wrong in our bodies.

Data Processing in the Brain
All sight is translated into electrical impulses via the retina to the brain.
All sight is translated into electrical impulses via the retina to the brain.

Functions of the Heart and Lungs
Our heart and lungs circulate oxygen throughout our blood vessels to keep cells alive.
Our heart and lungs circulate oxygen throughout our blood vessels to keep cells alive.

The Science Behind the Pulse in Our Bodies
Human life depends on our bodies ability to process oxygen to keep our cells alive.
Human life depends on our bodies ability to process oxygen to keep our cells alive.

Blood Vessels and Circulatory Movement
Human bodies are designed to move in order to circulate blood and nutrients to every cell.
Human bodies are designed to move in order to circulate blood and nutrients to every cell.

The Gut Microbiome is the Hub of Our Immune System
The Gut microbiome contains bacteria that keep us healthy when well fed and tended to.
The Gut microbiome contains bacteria that keep us healthy when well fed and tended to.

The Digestive System
An introduction to the amazing functions of the human body's digestive system.
An introduction to the amazing functions of the human body's digestive system.

The Immune System
An introduction into the amazing functions of the human body's immune system.
An introduction into the amazing functions of the human body's immune system.

The Adaptive Quality of Our Senses
When we lose one of our senses, others fill the void to process the lost information.
When we lose one of our senses, others fill the void to process the lost information.

Our Sense of Smell
Our sense of smell is shaped by hair follicles in our sinus known as cilia.
Our sense of smell is shaped by hair follicles in our sinus known as cilia.

The Human Body's Five Senses
An introduction into the amazing functions of the human body's five senses.
An introduction into the amazing functions of the human body's five senses.

Proprioception - The Sixth Sense
Proprioception allows us to recognize where our bodies are physically exist in space.
Proprioception allows us to recognize where our bodies are physically exist in space.

Engineering Lost Function Inside the Body
Jason is the only person with a prosthetic arm able to sense feeling in the brain.
Jason is the only person with a prosthetic arm able to sense feeling in the brain.

The Human Body's Nervous System
An introduction to the amazing functions of the human body's nervous system.
An introduction to the amazing functions of the human body's nervous system.